24" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 16 5/8" height

actual front end outer dimensions are 37

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Each grille is carefully packaged with cardboard backing to prevent damage during shipment

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24" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 14" OR 14" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 13. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum